Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 5321853 | Baseball glove with web-frame and anti-glare shield A baseball glove, mitt, or the like having a lace attached web-frame. The web-frame encloses a readily replaceable anti-glare shield insert. Preferably, the web-frame is cruciform, so that the insert is reinforced and protected, there still being four win... | 06/21/1994 |
| 5321854 | Headwear piece with opening to accommodate wearer's hair A headwear piece having a crown defining an opening to accept the head of a wearer, with the crown having a top and bottom, front and back, and a peripheral wall having an annular configuration. An opening is provided through the peripheral crown wall to ... | 06/21/1994 |
| 5321855 | Fastening system for pairing socks, hosiery and gloves An improved hook and loop reusable and reclosable fastening system for pairing socks, hosiery and gloves. The fastening system is permanently attached to the socks and hosiery. A preferred embodiment includes an elastic or other stretchable backing materi... | 06/21/1994 |
| 5321856 | Flush toilet exhaust system An exhaust fixture adapted to be connected to a toilet, the toilet having a bowl, a water tank having a normal amount of water therein and an upper, peripheral edge, an overflow pipe located within the tank, and a lid adapted to fit about the peripheral e... | 06/21/1994 |
| 5321857 | Water closet with a tilting cover acting as a bowl A water closet with a tilting cover acting as a bowl includes one mobile portion forming a bowl for receiving solid and liquid matter and pivoting around a horizontal axis and able by rotating through approximately 180° to occupy two positions, namely on... | 06/21/1994 |
| 5321858 | Closure assembly for a pit commode An automatic closure assembly for use with an outhouse or pit commode is disclosed which includes a frame having open upper and lower ends attached to the underside of a bench so as to frame an opening therein over which a toilet seat is hingably mounted ... | 06/21/1994 |
| 5321859 | Infant bath chair An infant bath chair adapted to be positioned in a bathtub to facilitate bathing of the infant. The chair includes a base adapted to be positioned on the bottom of the bathtub and defining a seat; a seatback having a lower end pivotally mounted on the bas... | 06/21/1994 |
| 5321860 | Shower enclosure assembly An enclosure support for fluid nozzles in a shower facility wherein there are linkage members for oscillating the nozzles as well as an oscillating member for effecting oscillation with the linkage members and the oscillating member being connected to the... | 06/21/1994 |
| 5321861 | Protective cover A protective cover for upholstered or padded articles such as bedding is made from a microporous ultrafilter material having a pore size of less than 0.0005 mm, to suppress passage of fecal particles produced by house dust mites. To prevent particles from... | 06/21/1994 |
| 5321862 | Bed making method and bedclothes to accomodate same Bedclothes which have been modified by affixing thereto connecting means which are positioned to guide the placement of the bedclothes on the mattress. When connectors are aligned along the periphery of the mattress, the bedclothes are properly centered a... | 06/21/1994 |
| 5321863 | Bath towel for babies A bath towel for babies includes a body portion which has a longitudinal length large enough to cover a baby when being folded upward and auxiliary portions integral with the body portion and having a size large enough to wipe the head and face of the bab... | 06/21/1994 |
| 5321864 | Continuous method and installation for bleaching a textile fabric web A washing unit includes several individual washing machines that adjoin the ager of a continuous bleaching installation. The washing machines immediately following the ager are operated in a co-current flow manner and receive between 10%-50% of the washin... | 06/21/1994 |
| 5321865 | Oral hygiene device The oral hygiene device of the invention comprises an interchangeable end and a body (10) extended to take said end. The end may be either a movable one carrying a toothbrush or a fixed one (11) consisting of a nozzle designed to emit a pulsed jet of wate... | 06/21/1994 |
| 5321866 | Toothbrush system A toothbrush system is provided which includes a handle member (14) which defines an internal handle chamber (22) for containment therein of a cleansing liquid container (28). The handle member (14) is coupled to a head housing (24) which has bristles (20... | 06/21/1994 |
| 5321867 | Foot washing apparatus A device for washing a person's feet while the person is standing in an upright position includes a housing and brushes. The housing has a bottom wall first and second side walls and an open front end and rear end. The brushes include bottom brushes which... | 06/21/1994 |
| 5321868 | Ergonomic squeegee for silk screening An improved squeegee and method of ergonomically modifying a conventional squeegee, is provided. A squeegee includes a rigid handle having a convex top side, opposite from a bottom side, and opposing concave faces longitudinally disposed between the top a... | 06/21/1994 |
| 5321869 | Device for removing paint from painted surfaces For removal of a painted surface (12), a rotating head (18) provided on a housing (10) is used, said rotating head (18) being provided with nozzles (19,20) which said nozzles (19,20) discharge high-energy jets (39) under high pressure towards the surface ... | 06/21/1994 |
| 5321870 | Torsion bar apparatus for self-closing door and torque adjusting device therefor A torsion bar apparatus for a self-closing door. The longitudinal dimension of the apparatus is reduced while the initial torque when the door is closed is maintained and the weight applied to the user during the door opening operation is reduced. One ver... | 06/21/1994 |
| 5321871 | Slider for slide fastener A slider for a slide fastener, comprising: a slider body including an upper wing having a cutout; a board shaped cap resiliently received in the cutout and having a claw stopper hole; a claw stopper pivotally mounted in the cap and projecting through the ... | 06/21/1994 |
| 5321872 | Tamper-resistant plastic fastener for use in attaching a tag to a piece of fabric Tamper-resistant plastic fastener for use in attaching a tag to a piece of fabric, such as a garment of clothing, a product label or the like. In one embodiment, the fastener comprises an elongated unitary plastic member having a first end shaped to defin... | 06/21/1994 |
| 5321873 | Burial container A burial container having a seamless single piece base with a bottom, sides and ends, each of which has an inner wall and an outer wall and a seamless single piece lid having an inner and outer wall, the lid sealably securable to the base. The lid, bottom... | 06/21/1994 |
| 5321874 | Multi-positioner machining system A machining system that has (i) plural machining cells spaced along a path, each having a single-point-tool and a rapid-positioning assembly for positioning the tool for multiple insertions into a workpiece as well as rapid tool exchange at speed rates th... | 06/21/1994 |
| 5321875 | Well block centering tool A centering tool for coaxially aligning a well block with a discharge bore of a steelmaking vessel, the centering tool comprising a support frame and a cluster of pivotable centering arms. Each centering arm includes a wedge shaped portion having a first ... | 06/21/1994 |
| 5321876 | Method of converting aircraft brake assemblies An aircraft brake assembly (10, 100, 200) designed as original equipment to have convertible heat sinks comprises one of a steel heat sink aircraft brake assembly (100, 200) and a carbon-carbon composite heat sink aircraft brake assembly (10). When a carb... | 06/21/1994 |
| 5321877 | Method and apparatus for cutting oil-filter canisters Ready separation of a severed oil filter canister from its filter element is provided by cutting the canister from its base with a single bevel side cutter which does not cause the canister metal to invade or engage the filter element.... | 06/21/1994 |
| 5321878 | Method for removing a motor vehicle friction clutch The invention relates to a method for removing a motor vehicle friction clutch of modular design and to friction clutches suitable for this method. The arrangement of openings in the clutch plate and the use of specific tools for venting the friction clut... | 06/21/1994 |
| 5321879 | Apparatus and method for automatically installing and fastening clamps onto objects to be fastened A method and apparatus for carrying out the method in which a clamp made from a flat blank is plastically deformed into circular shape, is locked in its closed condition, is transferred from the deformation station to a transfer station where it is placed... | 06/21/1994 |
| 5321880 | Automated method for placement of angle plates in transverse duct flanges A method of installing angle plates at the corners of ducts which has at the opposite ends of each panel of the duct channel shaped flanges into which is installed an angle plate with the angle plates being utilized to secure adjacent ducts together utili... | 06/21/1994 |
| 5321881 | Method of installing a shoe seal for floating roof of storage tank A shoe seal for sealing the space between a floating roof and the inner wall of an oil storage tank includes a plurality of scissors hanger assemblies for mounting a shoe on the floating roof. Each assembly includes an elongated plate suspended from a sho... | 06/21/1994 |
| 5321882 | Slider fabrication A process for producing air bearing sliders for thin film magnetic heads, one at a time from a strip of material having the thin film heads aligned in a column. The thin film heads are aligned within the column such that the slider processing is performed... | 06/21/1994 |
| 5321883 | Apparatus for making a transformer core comprising strips of amorphous stell wrapped around the core window This wrapping apparatus comprises a belt nester for wrapping stacks of thin amorphous steel strips about an arbor. The belt nester includes (a) a belt wrapped about the arbor and movable along its length to impart rotary motion to the arbor and (b) means ... | 06/21/1994 |
| 5321884 | Multilayered flexible circuit package An electronic package which includes a rigid first substrate (e.g., ceramic) having a plurality of conductive pins spacedly located therein. These pins each include one end portion extending below an undersurface of the substrate for positioning and elect... | 06/21/1994 |
| 5321885 | Method and apparatus for manufacturing printed wiring boards A system for manufacturing printed circuit board units having facilities for automatically performing a component replacement work or component replenishment work which may take place during the changeover of products and ensuring an effective flexible ma... | 06/21/1994 |
| 5321886 | Applying conductive lines to integrated circuits A conductive line is applied to a substrate by aligning the conductive line in juxtaposition with a selected area of the substrate; bonding the conductive line to the substrate; and detaching the conductive line from a carrier in which the conductive line... | 06/21/1994 |
| 5321887 | Process for individual identification of the tubes of a heat exchanger To permit individual identification of each of the tubes (10) of a steam generator, the tubes are marked with the aid of a binary bar code (12a) formed from circular impressions (24) and the absence of impressions. The impressions, formed without material... | 06/21/1994 |
| 5321888 | Integrated lightweight card rack A plurality of heat sinks assembled to form a rack in a lightweight box accommodate printed circuit cards between the heat sinks and circulate cooling oil through the heat sinks to drain the test heat from the boards quickly. Each heat sink includes a por... | 06/21/1994 |
| 5321889 | Base drum of electrophotographic photoconductor and method for the preparation thereof A base drum of an electrophotographic photoconductor has a straightness of 0.04 mm or less, a roundness of 0.04 mm or less, a wall-thickness non-uniformity of &#b1;0.015 mm or less and a maximum surface roughness (Rmax) in the range from 0.3 to 1.0 μm. T... | 06/21/1994 |
| 5321890 | Sawdust catcher for a chain saw A passive sawdust catcher adaptable to a variety of conventional chain saws consists of a sawdust container and a bracket for connecting the container to the chain saw. The container consists of a fabric bag over a rigid frame, having a top and front open... | 06/21/1994 |
| 5321891 | Drawing device This invention relates to an apparatus for writing or drawing that is characterized by an enclosed case having a front side and a back side and in which the front side consists of a transparent screen. Disposed within a substantially rectangular case is a... | 06/21/1994 |
| 5321892 | Automatic paper-cutting device in plotter An object of this invention is to improve the sharpness of cutting and to prolong the longevity of the blade by increasing the cutting speed with a rotation of the round blade cutter that is more than the normal rotation of 1:1. The base 34 is linked with... | 06/21/1994 |
